在细胞、组织损伤的原因中，下列哪些因素可直接损伤细胞？（）

[多选题]What are three features of the IPV6 protocol？（）

[单选题]采用阻燃性沥青玛蒂脂贴玻璃布做防潮隔气层时，其适用场合为（）。

[单选题]船上轮机设备的各种证书及相关文件属于（），应由（）负责保管。

[单选题]（）是Basic语言源程序文件，可编译成可执行文件。

[单选题]“灵通快线”超短期理财产品单笔赎回最低份额是（）

[判断题]语法树和推导树不一样。

[单选题]二尖瓣关闭不全患者心脏杂音的特点是（）

[判断题]新生儿的视觉有黑、白和灰。

[单选题]完形填空：下面的短文有l5处空白，请根据短文内容为每处空白确定l个最佳选项。 Obesity(肥胖) Causes Global Warming. The list of ills attributable to obesity keeps growing: Last week, obese people were accused of causing global warming. This ______(51)comes from Sheldon Jacobson of the University of Illinois, US, and a doctoral student, Laura McLay. Their study ______(52) how much extra gasoline is needed to haul fat Americans around. The answer, they say, is a billion gallons of gas per year. ______(53) There has been ______(54) for taxes on junk food in recent years. US economist Martin Schmidt suggests a tax on fast food ______(55)to people’s cars. "We tax cigarettes partly because of their health cost," Schmidt said. "Similarly, leading a lazy life style will end ______(56) costing taxpayers more." US political scientist Eric Oliver said his first instinct was to laugh at these gas and fast food arguments. But such ______(57) are getting attention. At the US Obesity Society's annual meeting, one person ______(58) obesity with car accident deaths, and another correlated obesity with suicides. No one asked whether there was really a cause-and-effect relationship. " The funny thing was that everyone took it ______(59)." Oliver said. In a 1960s study, children were ______(60) drawings of children with disabilities and without them, and a drawing of an obese child. They were asked ______(61) they would want for a friend? The obese child was picked last.Three researchers recently repeated the study ______(62) college students. Once again, ______(63) no one, not even obese people, liked the obese person. " Obesity was stigmatized." the researchers said. But, researchers say, getting______ (64) is not like quitting smoking. People struggle to stop smoking, and, in the end, many succeed. Obesity is different. Science has shown that they have limited personal control over their weight Genes also______ (65) a part. 55.(单项选择题)

[单选题]不会引起腕关节变形的是（　　）。